dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent

2

a

: dose sense 2

b(1)

: the giving of a dose

(2)

: regulation or determination of doses

3

: an exposure to some experience in or as if in measured portions

Examples of dosage in a Sentence

Recent Examples on the Web

Over-the-counter antihistamines like Benadryl and Zyrtec can be effective for pets, but consult a vet for proper dosage. —Trisha Easto, USA Today, 24 Mar. 2026

That compares with Novo’s retail price of between 8,800 and 10,000 rupees in India, depending on the dosage. —Priyanka Salve,elsa Ohlen, CNBC, 23 Mar. 2026

For parents considering using OTC allergy medicine for their kids for the first time, WebMD recommends speaking with their pediatrician regarding dosage, when to take allergy medicine and which formula is best for specific ages. —Bestreviews, Chicago Tribune, 18 Mar. 2026

There’s no standardized dose, and studies have tested dosages ranging from 50 to 900 mg daily,1 so talk to a healthcare provider before starting the supplement. —Abby Norman, Verywell Health, 9 Mar. 2026

Word History

First Known Use

1849, in the meaning defined at sense 1a

Rhymes for dosage

• overdosage

Kids Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the giving of medicine in doses

b

: the amount of a single dose

2

: the addition or application of a substance in a measured dose

Medical Definition

dosage

noun

dos·​age ˈdō-sij 

1

a

: the addition of an ingredient or the application of an agent in a measured dose

b

: the presence and relative representation or strength of a factor or agent (as a gene)

2

a

: dose sense 1

b(1)

: the giving of a dose

(2)

: regulation or determination of doses